Answer:
Cubozoans or the box jellies
Explanation:
These cubozoan or the box jellies is the second class of cnidaria comprising the classic jellyfish. The first class are the Scyphozoans, or "true jellies. The box jellies have as many as two dozen eyes that are not primitive, light-sensing patches of cells but are true eyeballs that are made up of lenses, retinas and corneas. These eyes are paired around the circumference of their bells giving them a 360-degree range of vision. They function in detection of prey and predator and also mainly to maintain the box jelly orientation in water.
60 years is three half life for the substance, so 40*1/2^3=5
Three examples that biology can help in our everyday lives:
1. When you are faced with an animal, for example, a snake, you will know how to deal with it. You will examine what species that the snake belongs to and you will be able to identify its weaknesses.
2. When you are lost in a forest and that everything around you are plants and trees, you will know what kind of plant is edible or not and you can survive in the forest by utilizing what is available at your disposal.
3. You would also know what kind of food is good or not for the system. You will be able to analyze the kind of nutrient of the food you eat and how it will interact with your body system.
Answer:
A
Explanation:
Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. The size and coding capacity of the mitochondrial DNA varies considerably in different organisms, and encodes rRNAs, tRNAs and essential mitochondrial proteins.
